Methods used in long-term forecasting of domestic telecommunications demand and required resources (overall and by main sector) 

 - Geneva  International Telecommunication Union  International Telegraph and Telephone Consultative Committee  1983 
 - ii, 74 p.  ill.  30 cm. 
 - Economic studies at the national level in the field of telecommunications (1977-1980)  2 .
<br/><br/> At head of title: Gas 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Forecasting--Developing countries<br/>Telecommunication equipment industry--Forecasting--Developing countries
<br/><br/><label>Dewey Class. No.: </label>384  / .041